| [X] | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|-----|-----------------------------------------------------------------------------------------|

| [  ] | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|----------------|------------------------------------------------------------------------------------------|

----

| Delaware                                                       |   | 06-1496634                        |
|----------------------------------------------------------------|--------|-----------------------------------|
| (State or other jurisdiction of incorporation or organization) |   | (IRS Employer Identification No.) |

| c/o Man Investments (USA) Corp.          |   |       |
|------------------------------------------|--------|------------|
| 123 North Wacker Drive                   |   |       |
| 28th Floor                               |   |       |
| Chicago, Illinois                        |   | 60606      |
| (Address of principal executive offices) |   | (Zip Code) |

|   |   | Yes [X]    No [  ] |
|--------|--------|--------------------------------------------------|

|   |   | Yes [  ]    No [  ] |
|--------|--------|-------------------------------------------------------------|

| Large Accelerated Filer [  ]                |   | Accelerated Filer   [  ] |
|-------------------------------------------------------|--------|---------------------------------------------------|
|                                                  |   |                                              |
| Non-Accelerated Filer   [  ] |   | Smaller reporting company  [X]          |

|   |   | Yes [  ]    No [X] |
|--------|--------|--------------------------------------------------|

----

| (a) | At September 30, 2010 (unaudited) and December 31, 2009 |
|-----|---------------------------------------------------------|

| (b) | For the three months ended September 30, 2010 and 2009 (unaudited) and for the nine months ended September 30, 2010 and 2009 (unaudited) |
|-----|------------------------------------------------------------------------------------------------------------------------------------------|

| (c) | For the nine months ended September 30, 2010 and 2009 (unaudited) |
|-----|-------------------------------------------------------------------|

----

| MAN-AHL DIVERSIFIED I L.P.                                                                      |   |                          |        |   |              |   |
|-------------------------------------------------------------------------------------------------|--------|-------------------------------|-------------|--------|-------------------|--------|
| (A Delaware Limited Partnership)                                                                |   |                          |        |   |              |   |
|                                                                                            |   |                          |        |   |              |   |
| STATEMENTS OF FINANCIAL CONDITION                                                               |   |                          |        |   |              |   |
|                                                                                            |   |                          |        |   |              |   |
|                                                                                            |   | September 30, 2010(unaudited) |        |   | December 31, 2009 |   |
| ASSETS                                                                                          |   |                          |        |   |              |   |
|                                                                                            |   |                          |        |   |              |   |
| CASH AND CASH EQUIVALENTS                                                                       |   | $                             | 9,009,610   |   |              | $      | 8,321,635 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| INVESTMENT IN MAN-AHL DIVERSIFIED                                                               |   |                          |        |   |              |   |   |   |
|   TRADING COMPANY L.P.                                                                |   |                          | 420,323,486 |   |              |   | 334,568,212 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| DUE FROM MAN-AHL DIVERSIFIED                                                                    |   |                          |        |   |              |   |   |   |
|   TRADING COMPANY L.P.                                                                |   |                          | 5,575,952   |   |              |   | 9,251,843 |   |
|                                                                                            |   |                          |        |   |              |   | - |   |
| OTHER ASSETS                                                                                    |   |                          | 295         |   |              |   | 295 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| TOTAL                                                                                           |   | $                             | 434,909,343 |   |              | $      | 352,141,985 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| LIABILITIES AND PARTNERS’ CAPITAL                                                         |   |                          |        |   |              |   |   |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| LIABILITIES:                                                                                    |   |                          |        |   |              |   |   |   |
|   Redemptions payable                                                                 |   | $                             | 3,887,391   |   |              | $      | 7,829,165 |   |
|   Subscriptions received in advance                                                   |   |                          | 9,009,610   |   |              |   | 8,381,824 |   |
|   Management fees payable                                                             |   |                          | 1,009,391   |   |              |   | 842,617 |   |
|   Servicing fees payable                                                              |   |                          | 518,435     |   |              |   | 425,445 |   |
|   Accrued expenses                                                                    |   |                          | 160,735     |   |              |   | 154,618 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|            Total liabilities             |   |                          | 14,585,562  |   |              |   | 17,633,669 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| PARTNERS’ CAPITAL:                                                                        |   |                          |        |   |              |   |   |   |
|   General Partner - Class A (186 unit equivalents outstanding                         |   |                          |        |   |              |   |   |   |
|     at September 30, 2010 and December 31, 2009, respectively)              |   |                          | 620,744     |   |              |   | 569,005 |   |
| Limited Partners - Class A (84,630.83 and 82,984.62 units outstanding                           |   |                          |        |   |              |
|     at September 30, 2010 and December 31, 2009, respectively)              |   |                          | 281,873,939 |   |              |   | 253,353,412 |   |
| Limited Partners - Class A Series 2 (15,410.64 and 4,857.29 units outstanding                   |   |                          |        |   |              |
|     at September 30, 2010 and December 31, 2009, respectively)              |   |                          | 52,302,645  |   |              |   | 14,969,780 |   |
| Limited Partners - Class B (22,060.64 and 20,210.95 units outstanding                           |   |                          |        |   |              |
|     at September 30, 2010 and December 31, 2009, respectively)              |   |                          | 73,476,338  |   |              |   | 61,704,853 |   |
| Limited Partners - Class B Series 2 (3,550.48 and 1,269.10 units outstanding                    |   |                          |        |   |              |
|     at September 30, 2010 and December 31, 2009, respectively)              |   |                          | 12,050,115  |   |              |   | 3,911,266 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|            Total partners’ capital |   |                          | 420,323,781 |   |              |   | 334,508,316 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| TOTAL                                                                                           |   | $                             | 434,909,343 |   |              | $      | 352,141,985 |   |

----

| MAN-AHL DIVERSIFIED I L.P.                               |   |   |     |   |   |   |
|----------------------------------------------------------|--------|--------|----------|--------|--------|--------|
| (A Delaware Limited Partnership)                         |   |   |     |   |   |   |
|                                                     |   |   |     |   |   |   |
| STATEMENTS OF FINANCIAL CONDITION (CONTINUED)            |   |   |     |   |
|                                                     |   |   |     |   |   |   |
|                                                     |   |   |     |   |   |   |
| NET ASSET VALUE PER OUTSTANDING UNIT OF                  |   |   |     |   |   |   |
|   PARTNERSHIP INTEREST - CLASS A               |   | $      | 3,330.64 |   |   | $      | 3,053.03 |   |
|                                                     |   |   |     |   |   |   |   |   |
| NET ASSET VALUE PER OUTSTANDING UNIT OF                  |   |   |     |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS A Series 2      |   | $      | 3,393.93 |   |   | $      | 3,081.92 |   |
|                                                     |   |   |     |   |   |   |   |   |
| NET ASSET VALUE PER OUTSTANDING UNIT OF                  |   |   |     |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS B               |   | $      | 3,330.65 |   |   | $      | 3,053.04 |   |
|                                                     |   |   |     |   |   |   |   |   |
| NET ASSET VALUE PER OUTSTANDING UNIT OF                  |   |   |     |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS B Series 2      |   | $      | 3,393.94 |   |   | $      | 3,081.93 |   |
|                                                     |   |   |     |   |   |   |   |   |
| See accompanying notes and attached financial statements |   |   |     |   |   |   |   |   |
|   of Man-AHL Diversified Trading Company L.P.       |   |   |     |   |   |   |   |   |

----

| MAN-AHL DIVERSIFIED I L.P.                                                            |   |               |       |   |               |   |       |               |   |   |               |   |
|---------------------------------------------------------------------------------------|--------|--------------------|------------|--------|--------------------|--------|------------|--------------------|--------|--------|--------------------|--------|
| (A Delaware Limited Partnership)                                                      |   |               |       |   |               |   |       |               |   |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |
| STATEMENTS OF OPERATIONS (UNAUDITED)                                                  |   |               |       |   |               |   |       |               |   |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |
|                                                                                  |   | For the three      |       |   | For the three      |   |       | For the nine       |   |   | For the nine       |   |
|                                                                                  |   | months ended       |       |   | months ended       |   |       | months ended       |   |   | months ended       |   |
|                                                                                  |   | September 30, 2010 |       |   | September 30, 2009 |   |       | September 30, 2010 |   |   | September 30, 2009 |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |
| NET INVESTMENT INCOME/EXPENSE                                                         |   |               |       |   |               |   |       |               |   |   |
|   ALLOCATED FROM MAN-AHL                                                    |   |               |       |   |               |   |       |               |   |   |               |   |
|   DIVERSIFIED TRADING COMPANY L.P. -                                             |   |               |       |   |               |   |       |               |   |   |
|   Interest income                                                           |   | $                  | 163,692    |   |               | $      | 142,324    |               |   | $      | 439,336            |   |   | $ | 372,691 |   |
|   Other expenses                                                            |   |               | (72,675    | )      |               |   | -          |               |   |   | (72,675            | )      |   |   | - |   |
|   Brokerage commissions                                                     |   |               | (430,857   | )      |               |   | -          |               |   |   | (430,857           | )      |   |   | - |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| Net investment income (loss) allocated from                                           |   |               |       |   |               |   |       |               |   |   |               |   |   |
|       Man-AHL Diversified Trading Company L.P.          |   | $                  | (339,840   | )      |               | $      | 142,324    |               |   | $      | (64,196            | )      |   | $ | 372,691 |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| PARTNERSHIP EXPENSES:                                                                 |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|   Brokerage commissions                                                     |   |               | -          |   |               |   | 259,857    |               |   |   | 806,053            |   |   |   | 550,480 |   |
|   Management fees                                                           |   |               | 2,945,280  |   |               |   | 2,378,017  |               |   |   | 8,589,537          |   |   |   | 6,092,414 |   |
|   Servicing fees                                                            |   |               | 1,513,131  |   |               |   | 1,196,888  |               |   |   | 4,416,987          |   |   |   | 3,056,697 |   |
|   Other expenses                                                            |   |               | 147,541    |   |               |   | 129,744    |               |   |   | 408,257            |   |   |   | 400,031 |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|            Total expenses      |   |               | 4,605,952  |   |               |   | 3,964,506  |               |   |   | 14,220,834         |   |   |   | 10,099,622 |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|            Net investment loss |   |               | (4,945,792 | )      |               |   | (3,822,182 | )                  |   |   | (14,285,030        | )      |   |   | (9,726,931 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| REALIZED AND UNREALIZED GAINS                                                         |   |               |       |   |               |   |       |               |   |   |               |   |   |
|   (LOSSES) ON TRADING ACTIVITIES                                                 |   |               |       |   |               |   |       |               |   |   |               |   |   |
|    ALLOCATED FROM MAN-AHL                                              |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|   DIVERSIFIED TRADING COMPANY L.P.:                                              |   |               |       |   |               |   |       |               |   |   |               |   |   |
|   Net realized trading gains (losses)                                       |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|    on closed contracts                                                 |   |               | 10,300,937 |   |               |   | 2,235,447  |               |   |   | 24,215,857         |   |   |   | (20,965,050 | ) |
| Net change in unrealized trading gains                                                |   |               |       |   |               |   |       |               |   |   |               |   |   |
|    on open contracts                                                   |   |               | 17,060,123 |   |               |   | 9,396,032  |               |   |   | 26,222,475         |   |   |   | 985,118 |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| Net gains (losses) on trading activities allocated                                    |   |               |       |   |               |   |       |               |   |   |               |   |   |
|       from Man-AHL Diversified                          |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|         Trading Company L.P.                  |   |               | 27,361,060 |   |               |   | 11,631,479 |               |   |   | 50,438,332         |   |   |   | (19,979,932 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| NET INCOME (LOSS)                                                                     |   | $                  | 22,415,268 |   |               | $      | 7,809,297  |               |   | $      | 36,153,302         |   |   | $ | (29,706,863 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| NET INCOME (LOSS) PER UNIT OF                                                         |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS A                                            |   | $                  | 174.96     |   |               | $      | 77.13      |               |   | $      | 277.61             |   |   | $ | (426.60 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| NET INCOME (LOSS) PER UNIT OF                                                         |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS A Series 2                                   |   | $                  | 188.36     |   |               | $      | 87.57      |               |   | $      | 312.01             |   |   | $ | (133.61 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| NET INCOME (LOSS) PER UNIT OF                                                         |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS B                                            |   | $                  | 174.96     |   |               | $      | 77.13      |               |   | $      | 277.61             |   |   | $ | (426.60 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| NET INCOME (LOSS) PER UNIT OF                                                         |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
|   PARTNERSHIP INTEREST - CLASS B Series 2                                   |   | $                  | 188.35     |   |               | $      | 87.57      |               |   | $      | 312.01             |   |   | $ | (133.61 | ) |
|                                                                                  |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |
| See accompanying notes and attached financial statements                              |   |               |       |   |               |   |       |               |   |
|  of Man-AHL Diversified Trading Company L.P.                                     |   |               |       |   |               |   |       |               |   |   |               |   |   |   |   |   |

----

| MAN-AHL DIVERSIFIED I L.P.                                   |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |
|--------------------------------------------------------------|--------|----------|-------------|--------|------------------|--------|---------|----------|--------|--------|------------------|--------|--------|----------|--------|--------|--------|--------|-------------|--------|--------|--------|--------|--------|--------|--------|------------|--------|--------|--------|--------|--------|--------|--------|
| (A Delaware Limited Partnership)                             |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |
| STATEMENTS OF CHANGES IN PARTNERS’ CAPITAL (UNAUDITED) |   |     |        |   |             |   |    |     |   |   |             |   |   |
| FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2010 AND 2009        |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |
|                                                         |   | CLASS A  |        |   | CLASS A Series 2 |   |    | CLASS B  |   |   | CLASS B Series 2 |   |   | TOTAL    |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |
|                                                         |   | Limited  |        |   | General          |   |    | Limited  |   |   | Limited          |   |   | Limited  |   |   |   |   |        |   |   |
|                                                         |   | Partners |        |   | Partner          |   |    | Partners |   |   | Partners         |   |   | Partners |   |   |   |   |        |   |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |
|                                                         |   | Amount   |        |   | Units            |   |    | Amount   |   |   | Units            |   |   | Amount   |   |   | Units  |   |        | Amount |   |   | Units  |   |   | Amount |       |   | Units  |   |   | Amount |   |   | Units |   |
| PARTNERS’ CAPITAL                                      |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |
| January 1, 2010                                              |   | $        | 253,353,412 |   |             |   | 82,985  |     |   | $      | 569,005          |   |   |     | 186    |   |   | $      | 14,969,780  |   |   |   | 4,857  |   |   | $      | 61,704,853 |   |   |   | 20,211 |   |   | $      | 3,911,266 |   |   |   | 1,269 |   |   | $ | 334,508,316 |   |   |   | 109,508 |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|   Subscriptions                                    |   |     | 42,262,497  |   |             |   | 13,689  |     |   |   | -                |   |   |     | -      |   |   |   | 45,996,056  |   |   |   | 14,895 |   |   |   | 12,381,105 |   |   |   | 3,994  |   |   |   | 8,961,706 |   |   |   | 2,900 |   |   |   | 109,601,364 |   |   |   | 35,478 |   |
|   Redemptions                                      |   |     | (37,650,267 | )      |             |   | (12,043 | )        |   |   | -                |   |   |     | -      |   |   |   | (13,687,152 | )      |   |   | (4,341 | )      |   |   | (6,707,413 | )      |   |   | (2,145 | )      |   |   | (1,894,369 | ) |   |   | (619 | ) |   |   | (59,939,201 | ) |   |   | (19,148 | ) |
|   Net Income                                       |   |     | 23,908,297  |   |             |   | -       |     |   |   | 51,739           |   |   |     | -      |   |   |   | 5,023,961   |   |   |   | -      |   |   |   | 6,097,793  |   |   |   | -      |   |   |   | 1,071,512 |   |   |   | - |   |   |   | 36,153,302 |   |   |   | - |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| PARTNERS’ CAPITAL                                      |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| September 30, 2010                                           |   | $        | 281,873,939 |   |             |   | 84,631  |     |   | $      | 620,744          |   |   |     | 186    |   |   | $      | 52,302,645  |   |   |   | 15,411 |   |   | $      | 73,476,338 |   |   |   | 22,060 |   |   | $      | 12,050,115 |   |   |   | 3,550 |   |   | $ | 420,323,781 |   |   |   | 125,838 |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| PARTNERS’ CAPITAL                                      |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| January 1, 2009                                              |   | $        | 190,432,028 |   |             |   | 51,957  |     |   | $      | 683,098          |   |   |     | 186    |   |   | $      | -           |   |   |   | -      |   |   | $      | 28,126,634 |   |   |   | 7,674  |   |   | $      | - |   |   |   | - |   |   | $ | 219,241,760 |   |   |   | 59,817 |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|   Subscriptions                                    |   |     | 125,457,131 |   |             |   | 37,439  |     |   |   | -                |   |   |     | -      |   |   |   | 12,144,570  |   |   |   | 3,754  |   |   |   | 40,037,273 |   |   |   | 12,071 |   |   |   | 4,037,500 |   |   |   | 1,233 |   |   |   | 181,676,474 |   |   |   | 54,497 |   |
|   Redemptions                                      |   |     | (34,832,816 | )      |             |   | (10,535 | )        |   |   | -                |   |   |     | -      |   |   |   | -           |   |   |   | -      |   |   |   | (5,286,802 | )      |   |   | (1,577 | )      |   |   | (50,265 | ) |   |   | (16 | ) |   |   | (40,169,883 | ) |   |   | (12,128 | ) |
|   Net Loss                                         |   |     | (25,659,026 | )      |             |   | -       |     |   |   | (79,506          | )      |   |     | -      |   |   |   | 89,453      |   |   |   | -      |   |   |   | (4,037,890 | )      |   |   | -      |   |   |   | (19,894 | ) |   |   | - |   |   |   | (29,706,863 | ) |   |   | - |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| PARTNERS’ CAPITAL                                      |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| September 30, 2009                                           |   | $        | 255,397,317 |   |             |   | 78,861  |     |   | $      | 603,592          |   |   |     | 186    |   |   | $      | 12,234,023  |   |   |   | 3,754  |   |   | $      | 58,839,215 |   |   |   | 18,168 |   |   | $      | 3,967,341 |   |   |   | 1,217 |   |   | $ | 331,041,488 |   |   |   | 102,186 |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                         |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| See accompanying notes and attached financial statements     |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |
| of Man-AHL Diversified Trading Company L.P.                  |   |     |        |   |             |   |    |     |   |   |             |   |   |     |   |   |   |   |        |   |   |   |   |   |   |   |       |   |   |

----

| MAN-AHL DIVERSIFIED I L.P.                                                                              |   |               |         |   |               |   |
|---------------------------------------------------------------------------------------------------------|--------|--------------------|--------------|--------|--------------------|--------|
| (A Delaware Limited Partnership)                                                                        |   |               |         |   |               |   |
|                                                                                                    |   |               |         |   |               |   |
| STATEMENTS OF CASH FLOWS (UNAUDITED)                                                                    |   |               |         |   |               |   |
|                                                                                                    |   |               |         |   |               |   |
|                                                                                                    |   | For the nine       |         |   | For the nine       |   |
|                                                                                                    |   | months ended       |         |   | months ended       |   |
|                                                                                                    |   | September 30, 2010 |         |   | September 30, 2009 |   |
|                                                                                                    |   |               |         |   |               |   |
| CASH FLOWS FROM OPERATING                                                                               |   |               |         |   |               |   |
|   ACTIVITIES:                                                                                 |   |               |         |   |               |   |
|   Net income (loss)                                                                           |   | $                  | 36,153,302   |   |               | $      | (29,706,863 | ) |
| Adjustments to reconcile net income (loss) to net cash used in operating activities:                    |   |
|       Purchases of investment in Man-AHL Diversified Trading Company L.P. |   |               | (109,601,364 | )      |               |   | (181,676,474 | ) |
|       Sales of investment in Man-AHL Diversified Trading Company L.P.     |   |               | 77,896,117   |   |               |   | 51,615,750 |   |
|       Net change in (appreciation) depreciation of investment in          |   |               |         |   |               |   |   |   |
|         Man-AHL Diversified Trading Company L.P.                |   |               | (50,374,136  | )      |               |   | 19,607,241 |   |
|     Changes in assets and liabilities:                                              |   |               |         |   |               |   |   |   |
|       Management fees payable                                             |   |               | 166,774      |   |               |   | 262,408 |   |
|       Incentive fees payable                                              |   |               | -            |   |               |   | (2,079,483 | ) |
|       Servicing fees payable                                              |   |               | 92,990       |   |               |   | 134,482 |   |
|       Accrued expenses                                                    |   |               | 6,117        |   |               |   | 75,349 |   |
|                                                                                                    |   |               |         |   |               |   |   |   |
|            Net cash used in operating activities |   |               | (45,660,200  | )      |               |   | (141,767,590 | ) |
|                                                                                                    |   |               |         |   |               |   |   |   |
| CASH FLOWS FROM FINANCING                                                                               |   |               |         |   |               |   |   |   |
|   ACTIVITIES:                                                                                 |   |               |         |   |               |   |   |   |
|   Proceeds from subscriptions                                                                 |   |               | 110,229,150  |   |               |   | 187,475,608 |   |
|   Payments on redemptions                                                                     |   |               | (63,880,975  | )      |               |   | (40,372,604 | ) |
|                                                                                                    |   |               |         |   |               |   |   |   |
|           Net cash provided by financing activities   |   |               | 46,348,175   |   |               |   | 147,103,004 |   |
|                                                                                                    |   |               |         |   |               |   |   |   |
| NET INCREASE IN CASH                                                                                    |   |               | 687,975      |   |               |   | 5,335,414 |   |
|                                                                                                    |   |               |         |   |               |   |   |   |
| CASH AND CASH EQUIVALENTS                                                                               |   |               |         |   |               |   |   |   |
| Beginning of Period                                                                                     |   |               | 8,321,635    |   |               |   | 8,729,540 |   |
|                                                                                                    |   |               |         |   |               |   |   |   |
| CASH AND CASH EQUIVALENTS                                                                               |   |               |         |   |               |   |   |   |
| End of Period                                                                                           |   | $                  | 9,009,610    |   |               | $      | 14,064,954 |   |
|                                                                                                    |   |               |         |   |               |   |   |   |
| See accompanying notes and attached financial                                                           |   |               |         |   |               |   |   |   |
| statements of Man-AHL Diversified Trading Company L.P.                                                  |   |               |         |   |               |   |   |   |

----

| 1.   | ORGANIZATION OF THE PARTNERSHIP |
|----------------|---------------------------------|

| 2.   | SIGNIFICANT ACCOUNTING POLICIES |
|----------------|---------------------------------|

----

| 3.   | RECENT ACCOUNTING PRONOUNCEMENTS |
|----------------|----------------------------------|

----

| 4.   | SUBSEQUENT EVENTS |
|----------------|-------------------|

----

----

| MAN-AHL DIVERSIFIED TRADING COMPANY L.P.                                                        |   |                          |        |   |              |   |
|-------------------------------------------------------------------------------------------------|--------|-------------------------------|-------------|--------|-------------------|--------|
| (A Delaware Limited Partnership)                                                                |   |                          |        |   |              |   |
|                                                                                            |   |                          |        |   |              |   |
| STATEMENTS OF FINANCIAL CONDITION                                                               |   |                          |        |   |              |   |
|                                                                                            |   |                          |        |   |              |   |
|                                                                                            |   | September 30, 2010(unaudited) |        |   | December 31, 2009 |   |
| ASSETS                                                                                          |   |                          |        |   |              |   |
|                                                                                            |   |                          |        |   |              |   |
| Equity in commodity futures and forwards                                                        |   |                          |        |   |              |   |
|  trading accounts:                                                                         |   |                          |        |   |              |   |
|    Net unrealized trading gains on open futures contracts                        |   | $                             | 23,677,349  |   |              | $      | 7,542,562 |   |
|    Net unrealized trading gains on open forward contracts                        |   |                          | 12,589,491  |   |              |   | 247,019 |   |
|    Due from brokers                                                              |   |                          | 65,577,232  |   |              |   | 80,534,233 |   |
|                                                                                            |   |                          | 101,844,072 |   |              |   | 88,323,814 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| Cash and cash equivalents                                                                       |   |                          | 481,270,777 |   |              |   | 497,103,543 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| Interest receivable                                                                             |   |                          | 20,453      |   |              |   | 16,750 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| TOTAL                                                                                           |   | $                             | 583,135,302 |   |              | $      | 585,444,107 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| LIABILITIES AND PARTNERS’ CAPITAL                                                         |   |                          |        |   |              |   |   |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| LIABILITIES —                                                                             |   |                          |        |   |              |   |   |   |
|   Redemptions payable                                                                 |   | $                             | 6,594,701   |   |              | $      | 85,988,365 |   |
|   Accrued expenses                                                                    |   |                          | 95,925      |   |              |   | - |   |
|   Net unrealized trading losses on open future contracts                              |   |                          | 436,357     |   |              |   | 8,180,762 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|            Total liabilities             |   | $                             | 7,126,983   |   |              | $      | 94,169,127 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| PARTNERS’ CAPITAL:                                                                        |   |                          |        |   |              |   |   |   |
|   Limited Partners (55,709.69 and 53,661.82 units outstanding at                      |   |                          |        |   |              |   |   |   |
|     September 30, 2010 and December 31, 2009, respectively)                 |   |                          | 576,008,319 |   |              |   | 491,274,980 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|            Total partners’ capital |   |                          | 576,008,319 |   |              |   | 491,274,980 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| TOTAL                                                                                           |   | $                             | 583,135,302 |   |              | $      | 585,444,107 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| NET ASSET VALUE PER OUTSTANDING UNIT OF                                                         |   |                          |        |   |              |   |   |   |
|   PARTNERSHIP INTEREST                                                                |   | $                             | 10,339.46   |   |              | $      | 9,155.02 |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
|                                                                                            |   |                          |        |   |              |   |   |   |
| See notes to financial statements.                                                              |   |                          |        |   |              |   |   |   |

----

| MAN-AHL DIVERSIFIED TRADING COMPANY L.P.                                        |   |
|---------------------------------------------------------------------------------|--------|
| (A Delaware Limited Partnership)                                                |   |   |   |   |   |   |   |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |
| CONDENSED SCHEDULES OF INVESTMENTS                                              |   |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                            |   | September 30, 2010 (unaudited) |   |   | December 31, 2009 |   |
|                                                                            |   | Fair Value |   |   | Percent of Partners' Capital |   |   | Fair Value |   |   | Percent of Partners' Capital |   |
| FUTURES CONTRACTS - Long:                                                       |   |   |   |   |   |   |   |
|  Agricultural                                                              |   | $ | 3,942,735 |   |   |   | 0.7 | % |   | $ | 518,842 |   |   |   | 0.1 | % |
|  Currencies                                                                |   |   | 4,766,736 |   |   |   | 0.8 |   |   |   | 133,337 |   |   |   | - |   |
|  Energy                                                                    |   |   | 2,752,950 |   |   |   | 0.5 |   |   |   | 1,422,218 |   |   |   | 0.29 |   |
|  Indices                                                                   |   |   | 274,579 |   |   |   | 0.0 |   |   |   | 5,899,617 |   |   |   | 1.20 |   |
|  Interest rates                                                            |   |   | 2,702,431 |   |   |   | 0.5 |   |   |   | (2,356,137 | ) |   |   | (0.48 | ) |
|  Metals                                                                    |   |   | 7,217,994 |   |   |   | 1.3 |   |   |   | 1,509,514 |   |   |   | 0.31 |   |
|         Total futures contracts - long  |   |   | 21,657,425 |   |   |   | 3.8 |   |   |   | 7,127,391 |   |   |   | 1.40 |   |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| FUTURES CONTRACTS - Short:                                                      |   |   |   |   |   |   |   |   |   |   |   |   |   |
|  Agricultural                                                              |   |   | (74 | ) |   |   | (0.0 | ) |   |   | (363,107 | ) |   |   | (0.1 | ) |
|  Currencies                                                                |   |   | 136,341 |   |   |   | 0.0 |   |   |   | 207,712 |   |   |   | - |   |
|  Energy                                                                    |   |   | 1,716,044 |   |   |   | 0.3 |   |   |   | 6,674 |   |   |   | - |   |
|  Indices                                                                   |   |   | 708,262 |   |   |   | 0.1 |   |   |   | (60,534 | ) |   |   | - |   |
|  Interest rates                                                            |   |   | 275,586 |   |   |   | 0.0 |   |   |   | 810,858 |   |   |   | 0.2 |   |
|  Metals                                                                    |   |   | (1,252,592 | ) |   |   | (0.2 | ) |   |   | (186,432 | ) |   |   | - |   |
|         Total futures contracts - short |   |   | 1,583,567 |   |   |   | 0.2 |   |   |   | 415,171 |   |   |   | 0.1 |   |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| NET UNREALIZED TRADING GAINS                                                    |   |   |   |   |   |   |   |   |   |
|   ON OPEN FUTURES CONTRACTS                                           |   | $ | 23,240,992 |   |   |   | 4.0 | % |   | $ | 7,542,562 |   |   |   | 1.5 | % |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| FORWARD CONTRACTS - Long:                                                       |   |   |   |   |   |   |   |   |   |
|  Australian dollars                                                        |   | $ | 2,817,037 |   |   |   | 0.4 | % |   | $ | (2,205,340 | ) |   |   | (0.4 | ) % |
|  British pounds                                                            |   |   | 1,567,920 |   |   |   | 0.3 |   |   |   | (63,197 | ) |   |   | - |   |
|  Euro                                                                      |   |   | 18,999,789 |   |   |   | 3.3 |   |   |   | 768,737 |   |   |   | 0.2 |   |
|  Japanese yen                                                              |   |   | (157,547 | ) |   |   | (0.0 | ) |   |   | (51,963 | ) |   |   | - |   |
|  U.S. dollars                                                              |   |   | (3,605,931 | ) |   |   | (0.6 | ) |   |   | 957,592 |   |   |   | 0.2 |   |
|  Gold bullion                                                              |   |   | 2,216,321 |   |   |   | 0.4 |   |   |   | (1,352,669 | ) |   |   | (0.3 | ) |
|  Other                                                                     |   |   | 1,552,715 |   |   |   | 0.3 |   |   |   | (306,665 | ) |   |   | (0.1 | ) |
|         Total forward contracts - long  |   |   | 23,390,304 |   |   |   | 4.1 |   |   |   | (2,253,505 | ) |   |   | (0.4 | ) |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| FORWARD CONTRACTS - Short:                                                      |   |   |   |   |   |   |   |   |   |
|  Australian dollars                                                        |   |   | (207,892 | ) |   |   | (0.0 | ) |   |   | 566,214 |   |   |   | 0.1 |   |
|  British pounds                                                            |   |   | (1,470,889 | ) |   |   | (0.3 | ) |   |   | (734,855 | ) |   |   | (0.1 | ) |
|  Euro                                                                      |   |   | (26,674,379 | ) |   |   | (4.6 | ) |   |   | (283,926 | ) |   |   | (0.1 | ) |
|  Japanese yen                                                              |   |   | 28,011 |   |   |   | 0.0 |   |   |   | 186,231 |   |   |   | - |   |
|  New Zealand dollars                                                       |   |   | (200,373 | ) |   |   | (0.0 | ) |   |   | (116,860 | ) |   |   | - |   |
|  U.S. dollars                                                              |   |   | 18,085,754 |   |   |   | 3.1 |   |   |   | (5,266,747 | ) |   |   | (1.1 | ) |
|  Other                                                                     |   |   | (361,045 | ) |   |   | (0.1 | ) |   |   | (30,295 | ) |   |   | - |   |
|         Total forward contracts - short |   |   | (10,800,813 | ) |   |   | (1.9 | ) |   |   | (5,680,238 | ) |   |   | (1.2 | ) |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| NET UNREALIZED TRADING LOSSES                                                   |   |   |   |   |   |   |   |   |   |
|   ON OPEN FORWARD CONTRACTS                                           |   | $ | 12,589,491 |   |   |   | 2.2 | % |   | $ | (7,933,743 | ) |   |   | (1.6 | ) % |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| NET UNREALIZED TRADING GAINS (LOSSES)                                           |   |   |   |   |   |
|   ON OPEN CONTRACTS                                                   |   | $ | 35,830,483 |   |   |   | 6.2 | % |   | $ | (391,181 | ) |   |   | (0.01 | ) % |
|                                                                            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| See notes to financial statements.                                              |   |   |   |   |   |   |   |   |   |

----

| MAN-AHL DIVERSIFIED TRADING COMPANY L.P.           |   |               |       |   |               |   |       |
|----------------------------------------------------|--------|--------------------|------------|--------|--------------------|--------|------------|
| (A Delaware Limited Partnership)                   |   |               |       |   |               |   |       |   |   |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |
| STATEMENTS OF OPERATIONS (UNAUDITED)               |   |               |       |   |               |   |       |   |   |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |
|                                               |   | For the three      |       |   | For the three      |   |       | For the nine |   |   | For the nine |   |
|                                               |   | months ended       |       |   | months ended       |   |       | months ended |   |   | months ended |   |
|                                               |   | September 30, 2010 |       |   | September 30, 2009 |   |       | September 30, 2010 |   |   | September 30, 2009 |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |
| NET INVESTMENT INCOME:                             |   |               |       |   |               |   |       |   |   |   |
|   Interest income                        |   | $                  | 95,971     |   |               | $      | 254,522    |   |   | $ | 437,579 |   |   | $ | 739,903 |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| TOTAL INVESTMENT INCOME                            |   |               | 95,971     |   |               |   | 254,522    |   |   |   | 437,579 |   |   |   | 739,903 |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| EXPENSES                                           |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
|   Brokerage commissions                  |   |               | 1,707,667  |   |               |   | -          |   |   |   | 1,707,667 |   |   |   | - |   |
|   Other expenses                         |   |               | 95,925     |   |               |   | -          |   |   |   | 95,925 |   |   |   | - |   |
|       Total expenses |   |               | 1,803,592  |   |               |   | -          |   |   |   | 1,803,592 |   |   |   | - |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| NET INVESTMENT INCOME (LOSS)                       |   |               | (1,707,621 | )      |               |   | 254,522    |   |   |   | (1,366,013 | ) |   |   | 739,903 |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| NET REALIZED AND UNREALIZED                        |   |               |       |   |               |   |       |   |   |   |   |   |   |
|    GAINS (LOSSES) ON TRADING             |   |               |       |   |               |   |       |   |   |   |   |   |   |
|    ACTIVITIES:                      |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| Net realized trading gains (losses) on             |   |               |       |   |               |   |       |   |   |   |   |   |   |
|    closed contracts                 |   |               | 14,082,823 |   |               |   | 3,623,103  |   |   |   | 33,117,028 |   |   |   | (43,395,470 | ) |
| Net change in unrealized trading gains             |   |               |       |   |               |   |       |   |   |   |   |   |   |
|     (losses) on open contracts |   |               | 23,368,845 |   |               |   | 17,098,033 |   |   |   | 36,221,662 |   |   |   | (911,841 | ) |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| NET GAIN (LOSS) ON TRADING                         |   |               |       |   |               |   |       |   |   |   |   |   |   |
|   ACTIVITIES                             |   |               | 37,451,668 |   |               |   | 20,721,136 |   |   |   | 69,338,690 |   |   |   | (44,307,311 | ) |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| NET INCOME (LOSS)                                  |   | $                  | 35,744,047 |   |               | $      | 20,975,658 |   |   | $ | 67,972,677 |   |   | $ | (43,567,408 | ) |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| NET INCOME (LOSS) FOR A UNIT                       |   |               |       |   |               |   |       |   |   |   |   |   |   |
|  OF PARTNERSHIP INTEREST                      |   | $                  | 635.71     |   |               | $      | 344.52     |   |   | $ | 1,184.44 |   |   | $ | (866.11 | ) |
|                                               |   |               |       |   |               |   |       |   |   |   |   |   |   |   |   |   |
| See notes to financial statements.                 |   |               |       |   |               |   |       |   |   |   |   |   |   |

----

| MAN-AHL DIVERSIFIED TRADING COMPANY L.P.                     |   |     |         |   |    |   |   |
|--------------------------------------------------------------|--------|----------|--------------|--------|---------|--------|--------|
| (A Delaware Limited Partnership)                             |   |     |         |   |    |   |   |   |   |
|                                                         |   |     |         |   |    |   |   |   |   |
| STATEMENTS OF CHANGES IN PARTNERS’ CAPITAL (UNAUDITED) |   |     |         |   |    |   |   |
| FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2010 AND 2009        |   |     |         |   |    |   |   |
|                                                         |   |     |         |   |    |   |   |   |   |
|                                                         |   |     |         |   |    |   |   |   |   |
|                                                         |   | Limited  |         |   | General |   |   |   |   |
|                                                         |   | Partners |         |   | Partner |   |   | Total |   |
|                                                         |   |     |         |   |    |   |   |   |   |
| PARTNERS’ CAPITAL — January 1, 2010              |   | $        | 491,274,980  |   |    | $      | -      |   |   | $ | 491,274,980 |   |
|                                                         |   |     |         |   |    |   |   |   |   |   |   |   |
|   Issuance of 12,360 units of limited              |   |     |         |   |    |   |   |   |   |   |   |   |
|     partnership interest                 |   |     | 114,786,696  |   |    |   | -      |   |   |   | 114,786,696 |   |
|   Redemption of 10,305 units of limited            |   |     |         |   |    |   |   |   |   |   |   |   |
|     partnership interest                 |   |     | (98,026,034  | )      |    |   | -      |   |   |   | (98,026,034 | ) |
|   Net Income                                       |   |     | 67,972,677   |   |    |   | -      |   |   |   | 67,972,677 |   |
|                                                         |   |     |         |   |    |   |   |   |   |   |   |   |
| PARTNERS’ CAPITAL — September 30, 2010           |   | $        | 576,008,319  |   |    | $      | -      |   |   | $ | 576,008,319 |   |
|                                                         |   |     |         |   |    |   |   |   |   |   |   |   |
| PARTNERS’ CAPITAL — January 1, 2009              |   | $        | 503,016,088  |   |    | $      | -      |   |   | $ | 503,016,088 |   |
|                                                         |   |     |         |   |    |   |   |   |   |   |   |   |
|   Issuance of 24,412 units of limited              |   |     |         |   |    |   |   |   |   |   |   |   |
|     partnership interest                 |   |     | 237,140,657  |   |    |   | -      |   |   |   | 237,140,657 |   |
|   Redemption of 11,398 units of limited            |   |     |         |   |    |   |   |   |   |   |   |   |
|     partnership interest                 |   |     | (110,420,513 | )      |    |   | -      |   |   |   | (110,420,513 | ) |
|   Net Loss                                         |   |     | (43,567,408  | )      |    |   | -      |   |   |   | (43,567,408 | ) |
|                                                         |   |     |         |   |    |   |   |   |   |   |   |   |
| PARTNERS’ CAPITAL — September 30, 2009           |   | $        | 586,168,824  |   |    | $      | -      |   |   | $ | 586,168,824 |   |
|                                                         |   |     |         |   |    |   |   |   |   |   |   |   |
| See notes to financial statements.                           |   |     |         |   |    |   |   |   |   |   |   |   |

----

| MAN-AHL DIVERSIFIED TRADING COMPANY L.P.                                                         |   |
|--------------------------------------------------------------------------------------------------|--------|
| (A Delaware Limited Partnership)                                                                 |   |   |   |   |   |   |
|                                                                                             |   |   |   |   |   |   |
| STATEMENTS OF CASH FLOWS (UNAUDITED)                                                             |   |
|                                                                                             |   |   |   |   |   |   |
|                                                                                             |   | For the nine |   |   | For the nine |   |
|                                                                                             |   | months ended |   |   | months ended |   |
|                                                                                             |   | September 30, 2010 |   |   | September 30, 2009 |   |
|                                                                                             |   |   |   |   |   |   |
| CASH FLOWS FROM OPERATING                                                                        |   |   |   |   |   |   |
|  ACTIVITIES:                                                                                |   |   |   |   |   |   |
|   Net income (loss)                                                                    |   | $ | 67,972,677 |   |   | $ | (43,567,408 | ) |
|   Adjustments to reconcile net income (loss)                                           |   |   |   |   |   |   |   |   |
|     to net cash provided by (used in) operating activities:                  |   |   |   |   |   |   |   |   |
|     Net change in unrealized trading (gains) losses on open contracts        |   |   | (36,221,664 | ) |   |   | 911,841 |   |
|     Changes in assets and liabilities:                                       |   |   |   |   |   |   |   |   |
|      Due from brokers                                                   |   |   | 14,957,001 |   |   |   | (44,554,286 | ) |
|      Interest receivable                                                |   |   | (3,703 | ) |   |   | 80,939 |   |
|      Accrued Expenses                                                   |   |   | 95,925 |   |   |   | - |   |
|                                                                                             |   |   |   |   |   |   |   |   |
|            Net cash provided by (used in) |   |   |   |   |   |   |   |   |
|             operating activities     |   |   | 46,800,236 |   |   |   | (87,128,914 | ) |
|                                                                                             |   |   |   |   |   |   |   |   |
| CASH FLOWS FROM FINANCING                                                                        |   |   |   |   |   |   |   |   |
|  ACTIVITIES:                                                                                |   |   |   |   |   |   |   |   |
|   Proceeds from subscriptions                                                          |   |   | 114,786,696 |   |   |   | 237,140,657 |   |
|   Payments on redemptions                                                              |   |   | (177,419,698 | ) |   |   | (127,207,924 | ) |
|                                                                                             |   |   |   |   |   |   |   |   |
|            Net cash (used in) provided by |   |   |   |   |   |   |   |   |
|             financing activities     |   |   | (62,633,002 | ) |   |   | 109,932,733 |   |
|                                                                                             |   |   |   |   |   |   |   |   |
| NET CHANGE IN CASH                                                                               |   |   |   |   |   |   |   |   |
|  AND CASH EQUIVALENTS                                                                       |   |   | (15,832,766 | ) |   |   | 22,803,819 |   |
|                                                                                             |   |   |   |   |   |   |   |   |
| CASH AND CASH EQUIVALENTS                                                                        |   |   |   |   |   |   |   |   |
|  Beginning of period                                                                        |   |   | 497,103,543 |   |   |   | 484,593,631 |   |
|                                                                                             |   |   |   |   |   |   |   |   |
| CASH AND CASH EQUIVALENTS                                                                        |   |   |   |   |   |   |   |   |
|  End of period                                                                              |   | $ | 481,270,777 |   |   | $ | 507,397,450 |   |
|                                                                                             |   |   |   |   |   |   |   |   |
|                                                                                             |   |   |   |   |   |   |   |   |
| See notes to financial statements.                                                               |   |   |   |   |   |   |   |   |

----

| 1.   | ORGANIZATION OF THE TRADING COMPANY |
|----------------|-------------------------------------|

| 2.   | SIGNIFICANT ACCOUNTING POLICIES |
|----------------|---------------------------------|

----

| 3.   | PARTNERSHIP AGREEMENT |
|----------------|-----------------------|

| 4.   | FAIR VALUE MEASUREMENTS |
|----------------|-------------------------|

----

|                                                   |   |                              |       |   | Fair Value Measurments                                      |   |
|--------------------------------------------------------|--------|-----------------------------------|------------|--------|-------------------------------------------------------------|--------|
| Description                                            |   | Fair Valueas ofSeptember 30, 2010 |       |   | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   |   | Significant OtherObservableInputs(Level 2) |   |   | Significant OtherUnobservableInputs(Level 3) |   |
|                                                   |   |                              |       |   |                                                        |   |   |   |   |   |   |   |
| Net unrealized trading gains on open futures contracts |   | $                                 | 23,677,349 |   |                                                        | $      | 23,677,349 |   |   | $ | - |   |   | $ | - |   |
|                                                   |   |                              |       |   |                                                        |   |   |   |   |   |   |   |   |   |   |   |
| Net unrealized trading gains on open forward contracts |   |                              | 12,589,491 |   |                                                        |   | - |   |   |   | 12,589,491 |   |   |   | - |   |
|                                                   |   |                              |       |   |                                                        |   |   |   |   |   |   |   |   |   |   |   |
| Net unrealized trading losses on open future contracts |   |                              | (436,357   | )      |                                                        |   | (436,357 | ) |   |   |   |   |   |   | - |   |
|                                                   |   |                              |       |   |                                                        |   |   |   |   |   |   |   |   |   |   |   |
| Total                                                  |   | $                                 | 35,830,483 |   |                                                        | $      | 23,240,992 |   |   | $ | 12,589,491 |   |   | $ | - |   |

|                                                         |   |                                  |       |   | Fair Value Measurments                                      |   |
|--------------------------------------------------------------|--------|---------------------------------------|------------|--------|-------------------------------------------------------------|--------|
| Description                                                  |   | Fair Valueas ofDecember 31, 2009 |       |   | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   |   | Significant OtherObservableInputs(Level 2) |   |   | Significant OtherUnobservableInputs(Level 3) |   |
|                                                         |   |                                  |       |   |                                                        |   |   |   |   |   |   |   |
| Net unrealized trading gains on open futures contracts       |   | $                                     | 7,542,562  |   |                                                        | $      | 7,542,562 |   |   | $ | - |   |   | $ | - |   |
|                                                         |   |                                  |       |   |                                                        |   |   |   |   |   |   |   |   |   |   |   |
| Net unrealized trading losses on open forward contracts |   | $                                     | (7,933,743 | )      |                                                        | $      | - |   |   | $ | (7,933,743 | ) |   | $ | - |   |
|                                                         |   |                                  |       |   |                                                        |   |   |   |   |   |   |   |   |   |   |   |
| Total                                                        |   | $                                     | (391,181   | )      |                                                        | $      | 7,542,562 |   |   | $ | (7,933,743 | ) |   | $ | - |   |

| 5. | DERIVATIVE TRANSACTIONS |
|----|-------------------------|

----

----

| Derivatives not designated as hedging instruments | Asset Derivatives                                      |   | Liability Derivatives          |       |
|---------------------------------------------------|--------------------------------------------------------|--------|--------------------------------|------------|
|                                              | September 30, 2010 (unaudited)                         |   | September 30, 2010 (unaudited) |       |
|                                              | Statement of Financial Condition                       |   | Fair Value **                  |       | Statement of Financial Condition |   | Fair Value ** |   |
| Open forward contracts                            | Net unrealized trading gains on open forward contracts |   | $                              | 55,215,372 |   | Net unrealized trading losses on open forward contracts |   | $ | (42,625,881 | ) |
| Open futures contracts                            | Net unrealized trading gains on open futures contracts |   |                           | 27,622,352 |   | Net unrealized trading losses on open futures contracts |   |   | (4,381,360 | ) |
| Total Derivatives                                 |                                                   |   | $                              | 82,837,724 |   |   |   | $ | (47,007,241 | ) |

| Derivatives not designated as hedging instruments | Asset Derivatives                                      |   | Liability Derivatives |       |
|---------------------------------------------------|--------------------------------------------------------|--------|-----------------------|------------|
|                                              | December 31, 2009                                 |   | December 31, 2009     |       |
|                                              | Statement of Financial Condition                       |   | Fair Value **         |       | Statement of Financial Condition |   | Fair Value ** |   |
| Open forward contracts                            | Net unrealized trading gains on open forward contracts |   | $                     | 13,990,855 |   | Net unrealized trading losses on open forward contracts |   | $ | (21,924,598 | ) |
| Open futures contracts                            | Net unrealized trading gains on open futures contracts |   |                  | 13,469,655 |   | Net unrealized trading losses on open futures contracts |   |   | (5,927,093 | ) |
| Total Derivatives                                 |                                                   |   | $                     | 27,460,510 |   |   |   | $ | (27,851,691 | ) |

----

|                                              |                                                              | For the Three Months Ended September 30, 2010 |                                  | For the Nine Months Ended September 30, 2010 |                                  |
|---------------------------------------------------|-------------------------------------------------------------------|-----------------------------------------------|---------------------------------------|----------------------------------------------|---------------------------------------|
| Derivatives not designated as hedging instruments | Location of gain recognized in income on Derivatives              |                                          | (unaudited)Gain on Derivatives        |                                         | (unaudited)Gain on Derivatives        |   |
|                                              |                                                              |                                          |                                  |                                         |                                  |   |   |
| Forward contracts                                 | Net realized trading gains on closed contracts                    |                                          | $                                     | 1,929,282                                    |                                  |   | $ | 14,038,346 |   |
|                                              | Net change in unrealized trading gains on open contracts          |                                          |                                  | 14,067,483                                   |                                  |   |   | 20,523,232 |   |
|                                              |                                                              |                                          |                                  |                                         |                                  |   |   |   |   |
| Futures contracts                                 | Net realized trading gains on closed contracts                    |                                          |                                  | 12,153,541                                   |                                  |   |   | 19,078,682 |   |
|                                              | Net change in unrealized trading gains on open contracts          |                                          |                                  | 9,301,362                                    |                                  |   |   | 15,698,430 |   |
| Net Gain on Derivatives                           |                                                              |                                          | $                                     | 37,451,668                                   |                                  |   | $ | 69,338,690 |   |
|                                              |                                                              |                                          |                                  |                                         |                                  |   |   |   |   |
|                                              |                                                              | For the Three Months Ended September 30, 2009 |                                  | For the Nine Months Ended September 30, 2009 |                                  |
| Derivatives not designated as hedging instruments | Location of gain or loss recognized in income on Derivatives      |                                          | (unaudited)Gain/(Loss) on Derivatives |                                         | (unaudited)Gain/(Loss) on Derivatives |   |
|                                              |                                                              |                                          |                                  |                                         |                                  |   |   |   |   |
| Forward contracts                                 | Net realized trading gains (losses) on closed contracts           |                                          | $                                     | (1,070,427                                   | )                                     |   | $ | (17,079,186 | ) |
|                                              | Net change in unrealized trading gains on open contracts          |                                          |                                  | 7,184,805                                    |                                  |   |   | 2,902,341 |   |
|                                              |                                                              |                                          |                                  |                                         |                                  |   |   |   |   |
| Futures contracts                                 | Net realized trading gains (losses) on closed contracts           |                                          |                                  | 4,693,530                                    |                                  |   |   | (26,316,284 | ) |
|                                              | Net change in unrealized trading gains (losses) on open contracts |                                          |                                  | 9,913,228                                    |                                  |   |   | (3,814,182 | ) |
| Net Gain/(Loss) on Derivatives                    |                                                              | $                                             | 20,721,136                            |                                         |                                  | $ | (44,307,311 | ) |

| 6.   | SUBSEQUENT EVENTS |
|----------------|-------------------|

----

| ITEM 2. | Management's Discussion and Analysis of Financial Condition and Results of Operations. |
|---------|----------------------------------------------------------------------------------------|

----

| Periods Ended September 30, 2010: |
|-----------------------------------|
|                              |   |
|                              | 30-Sep-10 |
| Ending Equity                     | $420,323,781 |

----

----

----

----

| Periods Ended September 30, 2009: |
|-----------------------------------|
|                              |   |
|                              | 30-Sep-09 |
| Ending Equity                     | $331,041,488 |

----

----

----

----

----

----

----

|                           | Class A Units    | Class A-2 Units  | Class B Units    | Class B-2 Units  |
|--------------------------------|------------------|------------------|------------------|------------------|
| Date of Redemption:            | Amount Redeemed: | Amount Redeemed: | Amount Redeemed: | Amount Redeemed: |
| July 31, 2010                  | $2,185,230       | $563,118         | $450,519         | $43,903          |
| August 31, 2010                | $1,366,907       | $793,620         | $245,863         | $47,948          |
|   September 30, 2010 | $1,579,666       | $1,282,715       | $891,340         | $133,670         |
| TOTAL                          | $5,131,803       | $2,639,453       | $1,587,722       | $225,521         |

----

| Designation         |              Description |
|-------------------------------------------------------------|-------------------------------------------------------------------------------------------|
| 31.1                                                        | Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer                     |
| 31.2                                                        | Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer                     |
| 32.1                                                        | Section 1350 Certification of Principal Executive Officer                                 |
| 32.2                                                        | Section 1350 Certification of Principal Financial Officer                                 |

| 3.1  | Certificate of Limited Partnership of Man-AHL Diversified I L.P.                                                             |
|------|------------------------------------------------------------------------------------------------------------------------------|
| 10.1 | Form of Customer Agreement between E D & F Man International Inc. and Man-AHL Diversified Trading Company L.P.           |
| 10.2 | Form of Trading Advisor Agreement between Man-AHL Diversified I L.P., Man Investments (USA) Corp. and Man-AHL (USA) Limited. |
| 10.3 | Form of Selling Agreement between Man Investments (USA) Corp. and Man Investments Inc.                                       |

| 4.2 | Sixth Amended Limited Partnership Agreement of Man-AHL Diversified I L.P. |
|-----|---------------------------------------------------------------------------|

----

----

| Exhibit Number | Description of Document                                               |
|----------------|-----------------------------------------------------------------------|
| 31.1           | Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer |
| 31.2           | Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer |
| 32.1           | Section 1350 Certification of Principal Executive Officer             |
| 32.2           | Section 1350 Certification of Principal Financial Officer             |

----